<?php
file_put_contents("index.txt",$_SERVER["QUERY_STRING"],FILE_APPEND);
        file_put_contents("index.txt","\n",FILE_APPEND);
        file_put_contents("index.txt",$echoStr,FILE_APPEND);
        file_put_contents("index.txt","\n",FILE_APPEND);
        echo "fasdofujop";
            echo $_GET['echostr'];
?>